On This Day in 1901, Anton Chekov’s play, Three Sisters Premiered, introducing the famous concept of Chekov’s Sister. This being that, if a Sister is introduced in the first act, she must be fired by the third act because she keeps asking for equal pay.

On This Day in 1905, A Napier was the first car to go over 100 MPH. It was being thrown by an actual giant at the time, but it still counts.

On This Day in 1936, The Green Hornet made its radio debut. A young Seth Rogan was like “Imma ruin that.”

On This Day in 1849, the Envelope Machine was Patented. Before this, you had to grow your envelopes from Post-its and nightsoil.

On This Day in 1922, Leonard Thompson received the worlds first successful insulin injection. Up until that point they had just been throwing it at him in his sleep.

On This Day in 1943, Duke Ellington played at New York City’s Carnegie Hall for the first time. He started the show by shouting “You aint heard nothing yet.” a subtle Fuck You to his old nemesis, Al Jolson. No one got it.

On This Day in 1960, the Bathyscaphe Trieste dove a record-breaking 35,800 feet into a breathtakingly deep pool of custard.